I often take my coffee at a place with a 3 stars rating on Google, but it serves one of the best coffees in the city. The reviews come from two people who had once a bad experience. And Google shows to everyone that it has 3/5 stars without saying that it is one the best places to have a non-Starbucks, coffee.

Some companies keep manufacturing certain products only because 10 years ago they received so many 5 stars on Amazon, that it’s almost impossible to retire the product.

My Uber score is 4.7, and the only “bad thing” I do is the lack of conversation with my driver. I always say “Hello”, “Thank you”, “Goodbye” and leave some tips. So apparently for not talking you still get a low score.

For drivers, sometimes all you need is a grumpy passenger who is not allowed to smoke and will give you a one star for that. And then you have to work hard for a month to recover your initial score. Only because somebody wasn’t allowed to do what he wants.